P0A80

Replace Hybrid Battery Pack

Q: What does fault code P0A80 mean?

Replace Hybrid Battery Pack. SAE-generic hybrid code, but overwhelmingly seen in practice on Toyota/Lexus hybrids (Prius and others) — indicates the hybrid battery pack has degraded enough that the system recommends replacement.

Q: What are the symptoms of P0A80?

Reduced hybrid system performance/fuel economy; Hybrid warning light; Possible reduced power

Severity: High Hybrid/EV System Generic OBD-II Code Est. Repair: $1,500 - $4,500 (new pack); $800 - $2,000 (reconditioned)

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

Quick Answer

P0A80 means “Replace Hybrid Battery Pack.” Severity: High. Estimated repair cost: $1,500 - $4,500 (new pack); $800 - $2,000 (reconditioned). Most common sign: Reduced hybrid system performance/fuel economy.

What Does P0A80 Mean?

SAE-generic hybrid code, but overwhelmingly seen in practice on Toyota/Lexus hybrids (Prius and others) — indicates the hybrid battery pack has degraded enough that the system recommends replacement.

Common Symptoms

Reduced hybrid system performance/fuel economy

Hybrid warning light

Possible reduced power

Possible Causes

Aged/degraded hybrid battery pack (normal wear over many years/miles)

One or more failed battery modules within the pack

Poor pack cooling leading to accelerated degradation

How to Fix P0A80 – Repair Guide

Have the pack's individual module voltages tested to see if it's a full pack replacement or just failed modules

Reconditioned/refurbished packs are a common lower-cost alternative to new

Check pack cooling fan/filter as preventive maintenance

Upgrading Your Vehicle or Need Replacement Clearance?

Explore high-quality aftermarket auto parts, forged wheel spacers, and leveling kits.

Budgeting for This Repair?

A typical P0A80 repair runs about $1,500 - $4,500 (new pack); $800 - $2,000 (reconditioned). If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

Recommended OBD2 Scanners & Tools

To read and clear this code yourself, you need a reliable OBD2 scanner. Here are top-rated options:

BlueDriver Bluetooth Pro OBDII Scan Tool

Professional Bluetooth scanner with live data, enhanced diagnostics (ABS/SRS) and repair reports. Works with iPhone & Android. No subscription fee.

$70 - $120

Check Price on Amazon →

ANCEL AD310 Classic Enhanced OBD2 Scanner

Best-selling handheld code reader. Read & clear engine codes, live data, freeze frame. No phone required. Highly rated for beginners.

$25 - $40

Check Price on Amazon →

FIXD Bluetooth OBD2 Scanner

Simple plug-and-play sensor that explains codes in plain English via free app. Ideal for first-time users.

$35 - $60

Check Price on Amazon →

As an Amazon Associate we earn from qualifying purchases. This does not affect the price you pay.

Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.